ﾚ(ﾟ∀ﾟ)ﾍ=3=3

주어진 코드 (app.py) import os, re, requests, flask from urllib.parse import urlparse app = flask.Flask(__name__) app.flag = '***CENSORED***' app.re_ip = re.compile('\A(\d+)\.(\d+)\.(\d+)\.(\d+)\Z') def valid_ip(ip): #Server-Side Request Forgery matches = app.re_ip.match(ip) if matches == None: return False ip = list(map(int, matches.groups())) if any(i > 255 for i in ip) == True: return False # Stay..

주어진 부분 192.168.55.86/255.255.255.0 192.168.80.198/255.255.255.128 192.168.1.228/255.255.255.128 192.168.90.68/255.255.254.0 192.168.8.214/255.255.255.128 192.168.5.197/255.255.255.128 192.168.71.90/255.255.255.0 192.168.62.55/255.255.255.192 192.168.78.209/255.255.255.128 192.168.76.216/255.255.255.128 192.168.91.202/255.255.255.128 192.168.93.108/255.255.255.0 192.168.74.76/255.255.254.0 192.16..

주어진 코드 import struct import os MSG = b'twctf: please give me the flag of 2020' assert os.environ['FLAG'] def easy_hash(x): m = 0 for i in range(len(x) - 3): m += struct.unpack('